<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="alipay/pay" method="post">
    订单号:<input type="text" name="out_trade_no"/><br/>
    订单名称:<input type="text" name="subject"/><br/>
    金额:<input type="text" name="total_amount"/><br/>
    订单备注:<input type="text" name="body"/><br/>
    <button>支付</button>
</form>
</body>
</html>